xref: /linux/arch/arm/boot/dts/microchip/at91-sama7g54_curiosity.dts (revision 26bda0dff9ca74ae071643e0176f248d72f43580) 
1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2/*
3 * at91-sama7g54_curiosity.dts - Device Tree file for SAMA7G54 Curiosity Board
4 *
5 * Copyright (C) 2024 Microchip Technology Inc. and its subsidiaries
6 *
7 * Author: Mihai Sain <mihai.sain@microchip.com>
8 *
9 */
10/dts-v1/;
11#include "sama7g5-pinfunc.h"
12#include "sama7g5.dtsi"
13#include <dt-bindings/input/input.h>
14#include <dt-bindings/leds/common.h>
15#include <dt-bindings/mfd/atmel-flexcom.h>
16#include <dt-bindings/pinctrl/at91.h>
17
18/ {
19	model = "Microchip SAMA7G54 Curiosity";
20	compatible = "microchip,sama7g54-curiosity", "microchip,sama7g5", "microchip,sama7";
21
22	aliases {
23		serial0 = &uart3;
24		i2c0 = &i2c10;
25	};
26
27	chosen {
28		stdout-path = "serial0:115200n8";
29	};
30
31	gpio-keys {
32		compatible = "gpio-keys";
33		pinctrl-names = "default";
34		pinctrl-0 = <&pinctrl_key_gpio_default>;
35
36		button-user {
37			label = "user-button";
38			gpios = <&pioA PIN_PD19 GPIO_ACTIVE_LOW>;
39			linux,code = <KEY_PROG1>;
40			wakeup-source;
41		};
42	};
43
44	leds {
45		compatible = "gpio-leds";
46		pinctrl-names = "default";
47		pinctrl-0 = <&pinctrl_led_gpio_default>;
48
49		led-red {
50			color = <LED_COLOR_ID_RED>;
51			function = LED_FUNCTION_POWER;
52			gpios = <&pioA PIN_PD13 GPIO_ACTIVE_HIGH>;
53			default-state = "off";
54		};
55
56		led-green {
57			color = <LED_COLOR_ID_GREEN>;
58			function = LED_FUNCTION_BOOT;
59			gpios = <&pioA PIN_PD14 GPIO_ACTIVE_HIGH>;
60			default-state = "off";
61		};
62
63		led-blue {
64			color = <LED_COLOR_ID_BLUE>;
65			function = LED_FUNCTION_CPU;
66			gpios = <&pioA PIN_PB15 GPIO_ACTIVE_HIGH>;
67			linux,default-trigger = "heartbeat";
68		};
69	};
70
71	memory@60000000 {
72		device_type = "memory";
73		reg = <0x60000000 0x10000000>; /* 256 MiB DDR3L-1066 16-bit */
74	};
75
76	reg_5v: regulator-5v {
77		compatible = "regulator-fixed";
78		regulator-name = "5V_MAIN";
79		regulator-min-microvolt = <5000000>;
80		regulator-max-microvolt = <5000000>;
81		regulator-always-on;
82	};
83};
84
85&adc {
86	vddana-supply = <&vddout25>;
87	vref-supply = <&vddout25>;
88	pinctrl-names = "default";
89	pinctrl-0 = <&pinctrl_mikrobus1_an_default &pinctrl_mikrobus2_an_default>;
90	status = "okay";
91};
92
93&cpu0 {
94	cpu-supply = <&vddcpu>;
95};
96
97&dma0 {
98	status = "okay";
99};
100
101&dma1 {
102	status = "okay";
103};
104
105&dma2 {
106	status = "okay";
107};
108
109&ebi {
110	pinctrl-names = "default";
111	pinctrl-0 = <&pinctrl_nand_default>;
112	status = "okay";
113
114	nand_controller: nand-controller {
115		status = "okay";
116
117		nand@3 {
118			reg = <0x3 0x0 0x800000>;
119			atmel,rb = <0>;
120			nand-bus-width = <8>;
121			nand-ecc-mode = "hw";
122			nand-ecc-strength = <8>;
123			nand-ecc-step-size = <512>;
124			nand-on-flash-bbt;
125			label = "nand";
126
127			partitions {
128				compatible = "fixed-partitions";
129				#address-cells = <1>;
130				#size-cells = <1>;
131
132				at91bootstrap@0 {
133					label = "nand: at91bootstrap";
134					reg = <0x0 0x40000>;
135				};
136
137				bootloader@40000 {
138					label = "nand: u-boot";
139					reg = <0x40000 0x100000>;
140				};
141
142				bootloaderenv@140000 {
143					label = "nand: u-boot env";
144					reg = <0x140000 0x40000>;
145				};
146
147				dtb@180000 {
148					label = "nand: device tree";
149					reg = <0x180000 0x80000>;
150				};
151
152				kernel@200000 {
153					label = "nand: kernel";
154					reg = <0x200000 0x600000>;
155				};
156
157				rootfs@800000 {
158					label = "nand: rootfs";
159					reg = <0x800000 0x1f800000>;
160				};
161			};
162		};
163	};
164};
165
166&flx3 {
167	atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
168	status = "okay";
169
170	uart3: serial@200 {
171		pinctrl-names = "default";
172		pinctrl-0 = <&pinctrl_flx3_default>;
173		status = "okay";
174	};
175};
176
177&flx10 {
178	atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
179	status = "okay";
180
181	i2c10: i2c@600 {
182		pinctrl-names = "default";
183		pinctrl-0 = <&pinctrl_flx10_default>;
184		i2c-analog-filter;
185		i2c-digital-filter;
186		i2c-digital-filter-width-ns = <35>;
187		status = "okay";
188
189		power-monitor@1f {
190			compatible = "microchip,pac1934";
191			reg = <0x1f>;
192			#address-cells = <1>;
193			#size-cells = <0>;
194
195			channel@1 {
196				reg = <0x1>;
197				shunt-resistor-micro-ohms = <47000>;
198				label = "VDD3V3";
199			};
200
201			channel@2 {
202				reg = <0x2>;
203				shunt-resistor-micro-ohms = <47000>;
204				label = "VDDIODDR";
205			};
206
207			channel@3 {
208				reg = <0x3>;
209				shunt-resistor-micro-ohms = <47000>;
210				label = "VDDCORE";
211			};
212
213			channel@4 {
214				reg = <0x4>;
215				shunt-resistor-micro-ohms = <47000>;
216				label = "VDDCPU";
217			};
218		};
219
220		eeprom@51 {
221			compatible = "atmel,24c02";
222			reg = <0x51>;
223			pagesize = <16>;
224			size = <256>;
225			vcc-supply = <&vdd_3v3>;
226		};
227
228		pmic@5b {
229			compatible = "microchip,mcp16502";
230			reg = <0x5b>;
231			lvin-supply = <&reg_5v>;
232			pvin1-supply = <&reg_5v>;
233			pvin2-supply = <&reg_5v>;
234			pvin3-supply = <&reg_5v>;
235			pvin4-supply = <&reg_5v>;
236
237			regulators {
238				vdd_3v3: VDD_IO {
239					regulator-name = "VDD_IO";
240					regulator-min-microvolt = <3300000>;
241					regulator-max-microvolt = <3300000>;
242					regulator-initial-mode = <2>;
243					regulator-allowed-modes = <2>, <4>;
244					regulator-always-on;
245
246					regulator-state-standby {
247						regulator-on-in-suspend;
248						regulator-suspend-microvolt = <3300000>;
249						regulator-mode = <4>;
250					};
251
252					regulator-state-mem {
253						regulator-off-in-suspend;
254						regulator-mode = <4>;
255					};
256				};
257
258				vddioddr: VDD_DDR {
259					regulator-name = "VDD_DDR";
260					regulator-min-microvolt = <1350000>;
261					regulator-max-microvolt = <1350000>;
262					regulator-initial-mode = <2>;
263					regulator-allowed-modes = <2>, <4>;
264					regulator-always-on;
265
266					regulator-state-standby {
267						regulator-on-in-suspend;
268						regulator-suspend-microvolt = <1350000>;
269						regulator-mode = <4>;
270					};
271
272					regulator-state-mem {
273						regulator-on-in-suspend;
274						regulator-suspend-microvolt = <1350000>;
275						regulator-mode = <4>;
276					};
277				};
278
279				vddcore: VDD_CORE {
280					regulator-name = "VDD_CORE";
281					regulator-min-microvolt = <1150000>;
282					regulator-max-microvolt = <1150000>;
283					regulator-initial-mode = <2>;
284					regulator-allowed-modes = <2>, <4>;
285					regulator-always-on;
286
287					regulator-state-standby {
288						regulator-on-in-suspend;
289						regulator-suspend-microvolt = <1150000>;
290						regulator-mode = <4>;
291					};
292
293					regulator-state-mem {
294						regulator-off-in-suspend;
295						regulator-mode = <4>;
296					};
297				};
298
299				vddcpu: VDD_OTHER {
300					regulator-name = "VDD_OTHER";
301					regulator-min-microvolt = <1050000>;
302					regulator-max-microvolt = <1250000>;
303					regulator-initial-mode = <2>;
304					regulator-allowed-modes = <2>, <4>;
305					regulator-ramp-delay = <3125>;
306					regulator-always-on;
307
308					regulator-state-standby {
309						regulator-on-in-suspend;
310						regulator-suspend-microvolt = <1050000>;
311						regulator-mode = <4>;
312					};
313
314					regulator-state-mem {
315						regulator-off-in-suspend;
316						regulator-mode = <4>;
317					};
318				};
319
320				vldo1: LDO1 {
321					regulator-name = "LDO1";
322					regulator-min-microvolt = <1800000>;
323					regulator-max-microvolt = <1800000>;
324					regulator-always-on;
325
326					regulator-state-standby {
327						regulator-suspend-microvolt = <1800000>;
328						regulator-on-in-suspend;
329					};
330
331					regulator-state-mem {
332						regulator-off-in-suspend;
333					};
334				};
335
336				vldo2: LDO2 {
337					regulator-name = "LDO2";
338					regulator-min-microvolt = <3300000>;
339					regulator-max-microvolt = <3300000>;
340					regulator-always-on;
341
342					regulator-state-standby {
343						regulator-suspend-microvolt = <3300000>;
344						regulator-on-in-suspend;
345					};
346
347					regulator-state-mem {
348						regulator-off-in-suspend;
349					};
350				};
351			};
352		};
353	};
354};
355
356&main_xtal {
357	clock-frequency = <24000000>;
358};
359
360&qspi1 {
361	pinctrl-names = "default";
362	pinctrl-0 = <&pinctrl_qspi1_default>;
363	status = "okay";
364
365	flash@0 {
366		compatible = "jedec,spi-nor";
367		reg = <0x0>;
368		spi-max-frequency = <100000000>;
369		spi-tx-bus-width = <4>;
370		spi-rx-bus-width = <4>;
371		m25p,fast-read;
372	};
373};
374
375&pioA {
376	pinctrl_flx3_default: flx3-default {
377		pinmux = <PIN_PD16__FLEXCOM3_IO0>,
378			 <PIN_PD17__FLEXCOM3_IO1>;
379		bias-pull-up;
380	};
381
382	pinctrl_flx10_default: flx10-default {
383		pinmux = <PIN_PC30__FLEXCOM10_IO0>,
384			 <PIN_PC31__FLEXCOM10_IO1>;
385		bias-pull-up;
386	};
387
388	pinctrl_key_gpio_default: key-gpio-default {
389		pinmux = <PIN_PD19__GPIO>;
390		bias-pull-up;
391	};
392
393	pinctrl_led_gpio_default: led-gpio-default {
394		pinmux = <PIN_PD13__GPIO>,
395			 <PIN_PD14__GPIO>,
396			 <PIN_PB15__GPIO>;
397		bias-pull-up;
398	};
399
400	pinctrl_mikrobus1_an_default: mikrobus1-an-default {
401		pinmux = <PIN_PC15__GPIO>;
402		bias-disable;
403	};
404
405	pinctrl_mikrobus2_an_default: mikrobus2-an-default {
406		pinmux = <PIN_PC13__GPIO>;
407		bias-disable;
408	};
409
410	pinctrl_nand_default: nand-default {
411		pinmux = <PIN_PD9__D0>,
412			 <PIN_PD10__D1>,
413			 <PIN_PD11__D2>,
414			 <PIN_PC21__D3>,
415			 <PIN_PC22__D4>,
416			 <PIN_PC23__D5>,
417			 <PIN_PC24__D6>,
418			 <PIN_PD2__D7>,
419			 <PIN_PD3__NANDRDY>,
420			 <PIN_PD4__NCS3_NANDCS>,
421			 <PIN_PD5__NWE_NWR0_NANDWE>,
422			 <PIN_PD6__NRD_NANDOE>,
423			 <PIN_PD7__A21_NANDALE>,
424			 <PIN_PD8__A22_NANDCLE>;
425		bias-disable;
426		slew-rate = <0>;
427	};
428
429	pinctrl_qspi1_default: qspi1-default {
430		pinmux = <PIN_PB22__QSPI1_IO3>,
431			 <PIN_PB23__QSPI1_IO2>,
432			 <PIN_PB24__QSPI1_IO1>,
433			 <PIN_PB25__QSPI1_IO0>,
434			 <PIN_PB26__QSPI1_CS>,
435			 <PIN_PB27__QSPI1_SCK>;
436		bias-pull-up;
437		slew-rate = <0>;
438	};
439
440	pinctrl_sdmmc0_default: sdmmc0-default {
441		pinmux = <PIN_PA0__SDMMC0_CK>,
442			 <PIN_PA1__SDMMC0_CMD>,
443			 <PIN_PA2__SDMMC0_RSTN>,
444			 <PIN_PA3__SDMMC0_DAT0>,
445			 <PIN_PA4__SDMMC0_DAT1>,
446			 <PIN_PA5__SDMMC0_DAT2>,
447			 <PIN_PA6__SDMMC0_DAT3>;
448		bias-pull-up;
449		slew-rate = <0>;
450	};
451
452	pinctrl_sdmmc1_default: sdmmc1-default {
453		pinmux = <PIN_PB29__SDMMC1_CMD>,
454			 <PIN_PB30__SDMMC1_CK>,
455			 <PIN_PB31__SDMMC1_DAT0>,
456			 <PIN_PC0__SDMMC1_DAT1>,
457			 <PIN_PC1__SDMMC1_DAT2>,
458			 <PIN_PC2__SDMMC1_DAT3>,
459			 <PIN_PC4__SDMMC1_CD>;
460		bias-pull-up;
461		slew-rate = <0>;
462	};
463};
464
465&rtt {
466	atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
467};
468
469/* M.2 slot for wireless card */
470&sdmmc0 {
471	bus-width = <4>;
472	cd-gpios = <&pioA 31 GPIO_ACTIVE_LOW>;
473	disable-wp;
474	sdhci-caps-mask = <0x0 0x00200000>;
475	vmmc-supply = <&vdd_3v3>;
476	vqmmc-supply = <&vdd_3v3>;
477	pinctrl-names = "default";
478	pinctrl-0 = <&pinctrl_sdmmc0_default>;
479	status = "okay";
480};
481
482/* micro SD socket */
483&sdmmc1 {
484	bus-width = <4>;
485	disable-wp;
486	sdhci-caps-mask = <0x0 0x00200000>;
487	vmmc-supply = <&vdd_3v3>;
488	vqmmc-supply = <&vdd_3v3>;
489	pinctrl-names = "default";
490	pinctrl-0 = <&pinctrl_sdmmc1_default>;
491	status = "okay";
492};
493
494&slow_xtal {
495	clock-frequency = <32768>;
496};
497
498&shdwc {
499	debounce-delay-us = <976>;
500	status = "okay";
501
502	input@0 {
503		reg = <0>;
504	};
505};
506
507&tcb0 {
508	timer0: timer@0 {
509		compatible = "atmel,tcb-timer";
510		reg = <0>;
511	};
512
513	timer1: timer@1 {
514		compatible = "atmel,tcb-timer";
515		reg = <1>;
516	};
517};
518
519&trng {
520	status = "okay";
521};
522
523&vddout25 {
524	vin-supply = <&vdd_3v3>;
525	status = "okay";
526};
527